Hardware
Default wiring
Wire the BC7215A module to the ESP32-C3 before installing the firmware. Connect VCC to 3.3V.
| BC7215 module signal | ESP32-C3 GPIO |
|---|---|
| BC7215 RX | GPIO3 |
| BC7215 TX | GPIO4 |
| BC7215 BUSY | GPIO1 |
| BC7215 MOD | GPIO0 |
| GND | GND |
| VCC | 3.3V |
A simple web installer for ESP32-C3 boards using the default BC7215A wiring. Connect the board with USB, install the firmware, configure WiFi, and add the device in Home Assistant.
Hardware
Wire the BC7215A module to the ESP32-C3 before installing the firmware. Connect VCC to 3.3V.
| BC7215 module signal | ESP32-C3 GPIO |
|---|---|
| BC7215 RX | GPIO3 |
| BC7215 TX | GPIO4 |
| BC7215 BUSY | GPIO1 |
| BC7215 MOD | GPIO0 |
| GND | GND |
| VCC | 3.3V |
Setup
After flashing, configure WiFi and add the ESPHome device in Home Assistant.